Four like charges of 30 μC are located at the four corners of a square, the diagonal of which measures 8 m. Find the force on a 150 μC charge located 3 m above the center of the square (see figure). (2.80 ax + 2.57 az) N 3.89 az N (2.80 ax-3.57 ay) N 8.80 axN (3.57 ay - 32.2 az) N 150 μC E 30 μC 30 μC 30μC 30 μC